Banana Peanut Butter Oatmeal

When it comes to crafting the perfect cookie, few combinations can rival the delightful harmony of banana, peanut butter, and oatmeal. These cookies are not only a treat for the taste buds but also offer a wholesome snack that can be enjoyed at any time of the day. In this comprehensive guide, we will walk you through everything you need to know to make the most delicious banana peanut butter oatmeal cookies. Let’s dive in!


To create these delicious cookies, you will need the following ingredients:

  • 1 cup of rolled oats
  • 1 cup of all-purpose flour
  • 1 teaspoon of baking soda
  • 1/2 teaspoon of salt
  • 1/2 cup of unsalted butter, softened
  • 1/2 cup of creamy peanut butter
  • 1/2 cup of granulated sugar
  • 1/2 cup of brown sugar, packed
  • 1 large egg
  • 1 teaspoon of vanilla extract
  • 2 medium-sized bananas, mashed
  • 1/2 cup of chocolate chips (optional)


1. Preheat and Prepare

Preheat your oven to 350°F (175°C). Line your baking sheets with parchment paper or silicone baking mats to prevent sticking and ensure even baking.

2. Mix Dry Ingredients

In a medium bowl, combine the rolled oats, all-purpose flour, baking soda, and salt. Mix well to distribute the baking soda and salt evenly through the mixture.

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3. Cream Butter and Sugars

In a large bowl, beat the unsalted butter, creamy peanut butter, granulated sugar, and brown sugar together until the mixture is light and fluffy. This should take about 2-3 minutes using an electric mixer on medium speed.

4. Add Wet Ingredients

Beat in the egg and vanilla extract until fully incorporated. Then, mix in the mashed bananas until well blended.

5. Combine Ingredients

Gradually add the dry ingredients to the wet ingredients, mixing just until combined. If you’re using chocolate chips, fold them in at this stage.

6. Scoop and Bake

Using a cookie scoop or tablespoon, drop dough onto the prepared baking sheets, spacing them about 2 inches apart. Bake in the preheated oven for 10-12 minutes, or until the edges are golden brown.

7. Cool and Enjoy

Allow the cookies to cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely. Enjoy your delicious banana peanut butter oatmeal cookies with a glass of milk or your favorite beverage!


1. Can I Use Quick Oats Instead of Rolled Oats?

Yes, you can substitute quick oats for rolled oats. However, the texture of the cookies will be slightly different. Rolled oats provide a chewier texture, while quick oats will make the cookies a bit softer and less chewy.

2. Can I Make These Cookies Gluten-Free?

Absolutely! To make these cookies gluten-free, simply substitute the all-purpose flour with a gluten-free flour blend. Make sure to use gluten-free oats as well.

3. How Do I Store These Cookies?

Store your banana peanut butter oatmeal cookies in an airtight container at room temperature for up to 5 days. For longer storage, you can freeze the cookies for up to 3 months. Simply thaw them at room temperature before serving.

4. Can I Add Other Mix-Ins?

Yes, you can customize your cookies by adding a variety of mix-ins such as raisins, nuts, or even white chocolate chips. Just be sure to keep the total amount of mix-ins to about 1/2 cup to maintain the correct dough consistency.

5. What If I Don’t Have a Mixer?

If you don’t have an electric mixer, you can mix the ingredients by hand using a wooden spoon. It might take a bit longer to cream the butter and sugars, but the result will be just as delicious.

6. Why Did My Cookies Turn Out Flat?

There are a few reasons why your cookies might turn out flat. One common cause is that the butter was too warm when you started mixing. Another reason could be that you overmixed the dough. Be sure to chill the dough for about 30 minutes before baking if you encounter this issue.

Nutritional Benefits

Bananas, peanut butter, and oatmeal each bring their own nutritional benefits to these cookies. Bananas are rich in potassium and fiber, aiding in digestive health and providing sustained energy. Peanut butter offers a good source of protein and healthy fats, while oatmeal is known for its fiber content and ability to help maintain cholesterol levels.

Variations to Try

1. Vegan Banana Peanut Butter Oatmeal Cookies

To make these cookies vegan, substitute the butter with vegan butter or coconut oil, use a flax egg (1 tablespoon ground flaxseed mixed with 3 tablespoons water) instead of a chicken egg, and ensure your chocolate chips are dairy-free.

2. Banana Peanut Butter Oatmeal Bars

For a fun twist, you can turn this cookie recipe into bars. Press the dough into a greased baking pan and bake at 350°F (175°C) for 20-25 minutes or until golden brown. Let them cool before cutting into squares.


These banana peanut butter oatmeal cookies are a delightful blend of flavors and textures, perfect for a nutritious snack or a sweet treat. Whether you’re a seasoned baker or a beginner, this recipe is straightforward and versatile, allowing for plenty of creative variations. Enjoy baking and indulging in these delicious cookies!

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